Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-topics=yes&f1-institutions=University+of+Chicago&f2-cities=Elgin&f3-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-institutions=University+of+Chicago&f5-types=Archival+Collections&f6-topics=Natural+%26+Built+Environments%3A%3ARailways&f7-topics=Natural+%26+Built+Environments%3A%3ARailways